+2018-01-11 David Malcolm <dmalcolm@redhat.com>
+
+ PR c++/43486
+ * g++.dg/wrappers: New subdirectory.
+ * g++.dg/wrappers/README: New file.
+ * g++.dg/wrappers/alloc.C: New test case.
+ * g++.dg/wrappers/cow-istream-string.C: New test case.
+ * g++.dg/wrappers/cp-stdlib.C: New test case.
+ * g++.dg/wrappers/sanitizer_coverage_libcdep_new.C: New test case.
+ * g++.dg/wrappers/wrapper-around-type-pack-expansion.C: New test
+ case.
+
2018-01-11 Jan Hubicka <hubicka@ucw.cz>
PR middle-end/83718
--- /dev/null
+This directory contains reproducers for issues seen when adding location
+wrapper nodes to the C++ frontend (ICEs and behavior changes).
--- /dev/null
+// { dg-do compile { target c++11 } }
+
+template<typename _Default, typename _AlwaysVoid, template<typename...> class _Op, typename... _Args>
+struct __detector
+{
+ using type = _Op<_Args...>;
+};
+template<typename _Default, template<typename...> class _Op, typename... _Args>
+using __detected_or = __detector<_Default, void, _Op, _Args...>;
+template<typename _Default, template<typename...> class _Op, typename... _Args>
+using __detected_or_t = typename __detected_or<_Default, _Op, _Args...>::type;
+template<typename _Alloc>
+struct allocator_traits {
+ template<typename _Tp>
+ using __pointer = typename _Tp::pointer;
+ using pointer = __detected_or_t<typename _Alloc::value_type*, __pointer, _Alloc>;
+};
+template<typename _Storage_policy>
+struct _Pointer_adapter {
+ typedef typename _Storage_policy::element_type element_type;
+ typedef element_type& reference;
+};
+template<typename _Tp>
+inline _Tp* addressof(_Tp& __r); // { dg-warning "used but never defined" }
+template<typename _Alloc>
+struct __allocated_ptr {
+ __allocated_ptr()
+ {
+ using pointer = typename allocator_traits<_Alloc>::pointer;
+ typename _Pointer_adapter<pointer>::reference __r = *(int*)0;
+ addressof(__r);
+ }
+};
+template<typename _Tp>
+struct _Std_pointer_impl {
+ typedef _Tp element_type;
+};
+template<typename Tp>
+struct CustomPointerAlloc {
+ typedef Tp value_type;
+ typedef _Pointer_adapter<_Std_pointer_impl<Tp>> pointer;
+};
+__allocated_ptr<CustomPointerAlloc<int>> __guard_ptr;
--- /dev/null
+template<typename _CharT>
+struct basic_string {
+ static const _CharT _S_terminal;
+ static void assign(const _CharT& __c2);
+ void _M_set_length_and_sharable() {
+ assign(_S_terminal);
+ }
+};
+
+template<typename _CharT>
+const _CharT basic_string<_CharT>::_S_terminal = _CharT();
+
+void getline(basic_string<char>& __str) {
+ __str._M_set_length_and_sharable();
+}
--- /dev/null
+/* At one time this triggered ICEs with location wrapper nodes,
+ apparently requiring error-recovery (hence the various syntax
+ errors in this file. */
+
+// { dg-excess-errors "expected to be full of errors, but not an ICE" }
+
+namespace std
+{
+ inline namespace __cxx11 __attribute__((__abi_tag__ ("cxx11"))) { }
+}
+namespace __gnu_cxx __attribute__ ((__visibility__ ("default")))
+{
+ template<typename _Tp>
+ class new_allocator
+ {
+ typedef _Tp value_type;
+ };
+}
+namespace std
+{
+ template<typename _Tp>
+ using __allocator_base = __gnu_cxx::new_allocator<_Tp>;
+}
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+ {
+ };
+ template<typename _Tp>
+ class allocator : public __allocator_base<_Tp>
+ {
+ };
+ template<typename _Alloc>
+ struct allocator_traits : __allocator_traits_base
+ {
+ };
+ template<typename _Tp>
+ struct allocator_traits<allocator<_Tp>>
+ {
+ using allocator_type = allocator<_Tp>;
+ template<typename _Up>
+ using rebind_alloc = allocator<_Up>;
+ allocate(allocator_type& __a, size_type __n)
+ };
+}
+namespace __gnu_cxx __attribute__ ((__visibility__ ("default")))
+{
+template<typename _Alloc, typename = typename _Alloc::value_type>
+ struct __alloc_traits
+ : std::allocator_traits<_Alloc>
+ {
+ typedef std::allocator_traits<_Alloc> _Base_type;
+ template<typename _Tp>
+ struct rebind
+ { typedef typename _Base_type::template rebind_alloc<_Tp> other; };
+ };
+{
+ {
+ }
+ }
+ }
+ {
+ {
+ }
+}
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+ struct char_traits;
+namespace __cxx11 {
+ template<typename _CharT, typename _Traits = char_traits<_CharT>,
+ typename _Alloc = allocator<_CharT> >
+ class basic_string;
+ }
+}
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+namespace __cxx11 {
+ template<typename _CharT, typename _Traits, typename _Alloc>
+ class basic_string
+ {
+ typedef typename __gnu_cxx::__alloc_traits<_Alloc>::template
+ rebind<_CharT>::other _Char_alloc_type;
+ typedef __gnu_cxx::__alloc_traits<_Char_alloc_type> _Alloc_traits;
+ public:
+ {
+ {
+ }
+ }
+ operator=(const basic_string& __str)
+ {
+ {
+ {
+ {
+ const auto __len = __str.size();
+ auto __alloc = __str._M_get_allocator();
+ auto __ptr = _Alloc_traits::allocate(__alloc, __len + 1);
+ }
+ }
+ }
+ }
+ {
+ }
+ size() const noexcept
+ }
+namespace filesystem
+{
+ class path
+ {
+ typedef char value_type;
+ typedef std::basic_string<value_type> string_type;
+ {
+ }
+ string_type _M_pathname;
+ };
+ class directory_entry
+ {
+ void assign(const filesystem::path& __p) { _M_path = __p; }
+ filesystem::path _M_path;
--- /dev/null
+namespace __sanitizer {
+
+enum FileAccessMode {
+ RdOnly,
+ WrOnly,
+ RdWr
+};
+
+int OpenFile(const char *filename, int mode,
+ int *errno_p);
+}
+
+using namespace __sanitizer;
+
+namespace __sancov {
+
+static int OpenFile(const char* path) {
+ int err;
+ int fd = OpenFile(path, WrOnly, &err);
+ return fd;
+}
+}
--- /dev/null
+// { dg-do compile { target c++11 } }
+
+typedef long unsigned int size_t;
+
+template<typename _Tp>
+struct remove_reference {};
+
+template<typename _Tp>
+constexpr _Tp&&
+forward(typename remove_reference<_Tp>::type& __t) noexcept
+{
+}
+
+struct __allocator_traits_base {
+ template<typename _Tp, typename _Up, typename = void>
+ struct __rebind
+ {
+ using type = typename _Tp::template rebind<_Up>::other;
+ };
+};
+
+template<typename _Alloc, typename _Up>
+using __alloc_rebind = typename __allocator_traits_base::template __rebind<_Alloc, _Up>::type;
+
+template<typename _Alloc> struct allocator_traits {
+ template<typename _Tp> using rebind_alloc = __alloc_rebind<_Alloc, _Tp>;
+ template<typename _Tp, typename... _Args>
+ static auto construct(_Alloc& __a, _Tp* __p, _Args&&... __args)
+ -> decltype(_S_construct(__a, __p, forward<_Args>(__args)...)) { }
+};
+
+template<typename _Alloc, typename = typename _Alloc::value_type>
+struct __alloc_traits : allocator_traits<_Alloc> {
+ typedef allocator_traits<_Alloc> _Base_type;
+ template<typename _Tp> struct rebind { typedef typename _Base_type::template rebind_alloc<_Tp> other; };
+};
+
+template<typename _Tp> class allocator {
+ typedef _Tp value_type;
+ template<typename _Tp1> struct rebind { typedef allocator<_Tp1> other; };
+};
+
+template<typename _CharT, typename _Alloc>
+class basic_string {
+ typedef typename __alloc_traits<_Alloc>::template rebind<_CharT>::other _Char_alloc_type;
+};
+
+template<size_t _Nw> struct _Base_bitset {
+ static void foo (basic_string<char, allocator<char> >) {}
+};
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